偏擺儀的使用手法:

　　1、擰緊偏心軸(zhou)手(shou)把，首先將固定座在儀座上固定。

　　2、按(an)被(bei)測零件長度將活動座固定在合適位置。

　　3、壓(ya)下球頭手柄(bing)，裝入零(ling)件(jian)用兩住(zhu)零(ling)件(jian)中心(xin)孔。

　　4、擰緊緊定手把將固定。

　　5、移動支架座到所(suo)需位置然后固定它，通過其上所(suo)裝的百分(fen)表(千(qian)分(fen)表)即(ji)可進行檢測工作。

　　一、測量器具：l偏擺檢查儀.2百(bai)分(fen)表(biao)(biao)(biao)(biao)或(huo)千(qian)分(fen)表(biao)(biao)(biao)(biao).3杠桿(gan)百(bai)分(fen)表(biao)(biao)(biao)(biao)二(er)、偏擺(bai)(bai)儀(yi)(yi)的(de)(de)主要(yao)(yao)(yao)(yao)技術指標(biao)：1、莫氏2號60°錐面(mian)(mian)(mian)對莫氏錐的(de)(de)徑向圓跳動(dong)(dong)(dong)(dong)≤0.005mm2、軸(zhou)(zhou)(zhou)線在(zai)(zai)(zai)(zai)100mm范圍(wei)內(nei)對導(dao)(dao)軌(gui)的(de)(de)平行度(水(shui)平垂直方(fang)向)≤0.006mm3、被測(ce)(ce)(ce)(ce)(ce)零(ling)件(jian)(jian)(jian)大(da)(da)直徑270mm 4、測(ce)(ce)(ce)(ce)(ce)量(liang)長度：1000 mm 三(san)、測(ce)(ce)(ce)(ce)(ce)量(liang)步驟：1徑向圓跳動(dong)(dong)(dong)(dong)的(de)(de)測(ce)(ce)(ce)(ce)(ce)量(liang)：⑴將(jiang)(jiang)(jiang)零(ling)件(jian)(jian)(jian)擦凈，置于偏擺(bai)(bai)儀(yi)(yi)兩之間(jian)(帶孔(kong)零(ling)件(jian)(jian)(jian)要(yao)(yao)(yao)(yao)裝在(zai)(zai)(zai)(zai)心(xin)(xin)(xin)軸(zhou)(zhou)(zhou)上(shang)(shang))使(shi)零(ling)件(jian)(jian)(jian)轉(zhuan)動(dong)(dong)(dong)(dong)自加(jia)，但不允許(xu)(xu)軸(zhou)(zhou)(zhou)向串(chuan)動(dong)(dong)(dong)(dong)，然后(hou)固緊二(er)座，當需要(yao)(yao)(yao)(yao)卸下(xia)零(ling)件(jian)(jian)(jian)時，一(yi)(yi)手扶著零(ling)件(jian)(jian)(jian)，一(yi)(yi)手向下(xia)按手把L即(ji)取(qu)(qu)下(xia)零(ling)件(jian)(jian)(jian)。⑵將(jiang)(jiang)(jiang)百(bai)分(fen)表(biao)(biao)(biao)(biao)裝在(zai)(zai)(zai)(zai)表(biao)(biao)(biao)(biao)架(jia)上(shang)(shang)，使(shi)表(biao)(biao)(biao)(biao)桿(gan)通(tong)過零(ling)件(jian)(jian)(jian)軸(zhou)(zhou)(zhou)心(xin)(xin)(xin)線，并(bing)與軸(zhou)(zhou)(zhou)心(xin)(xin)(xin)線大(da)(da)至(zhi)垂直，測(ce)(ce)(ce)(ce)(ce)頭與零(ling)件(jian)(jian)(jian)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)接觸(chu)，并(bing)壓(ya)約縮1～2圈(quan)后(hou)緊固表(biao)(biao)(biao)(biao)架(jia)。⑶測(ce)(ce)(ce)(ce)(ce)量(liang)應(ying)在(zai)(zai)(zai)(zai)軸(zhou)(zhou)(zhou)向的(de)(de)三(san)個(ge)(ge)截面(mian)(mian)(mian)上(shang)(shang)進行，取(qu)(qu)三(san)個(ge)(ge)截面(mian)(mian)(mian)中(zhong)圓跳動(dong)(dong)(dong)(dong)誤差的(de)(de)大(da)(da)值(zhi)，為(wei)該(gai)零(ling)件(jian)(jian)(jian)的(de)(de)徑向圓跳動(dong)(dong)(dong)(dong)誤差。2端(duan)(duan)面(mian)(mian)(mian)圓跳動(dong)(dong)(dong)(dong)的(de)(de)測(ce)(ce)(ce)(ce)(ce)量(liang)：⑴將(jiang)(jiang)(jiang)杠桿(gan)百(bai)分(fen)表(biao)(biao)(biao)(biao)夾持在(zai)(zai)(zai)(zai)偏擺(bai)(bai)檢查(cha)儀(yi)(yi)的(de)(de)表(biao)(biao)(biao)(biao)架(jia)上(shang)(shang)，緩(huan)慢移動(dong)(dong)(dong)(dong)表(biao)(biao)(biao)(biao)架(jia)，使(shi)杠桿(gan)百(bai)分(fen)表(biao)(biao)(biao)(biao)的(de)(de)測(ce)(ce)(ce)(ce)(ce)量(liang)頭與被測(ce)(ce)(ce)(ce)(ce)端(duan)(duan)面(mian)(mian)(mian)接觸(chu)，并(bing)予壓(ya)0.4mm測(ce)(ce)(ce)(ce)(ce)桿(gan)的(de)(de)正確(que)位置。⑵轉(zhuan)動(dong)(dong)(dong)(dong)工(gong)(gong)(gong)件(jian)(jian)(jian)一(yi)(yi)周，記下(xia)百(bai)分(fen)表(biao)(biao)(biao)(biao)讀數(shu)的(de)(de)大(da)(da)值(zhi)和小值(zhi)，該(gai)大(da)(da)值(zhi)與小值(zhi)之差，即(ji)為(wei)直徑處(chu)的(de)(de)端(duan)(duan)面(mian)(mian)(mian)跳動(dong)(dong)(dong)(dong)誤差。⑶在(zai)(zai)(zai)(zai)被測(ce)(ce)(ce)(ce)(ce)端(duan)(duan)面(mian)(mian)(mian)上(shang)(shang)均(jun)勻分(fen)布的(de)(de)三(san)個(ge)(ge)直徑處(chu)測(ce)(ce)(ce)(ce)(ce)量(liang)，取(qu)(qu)其(qi)三(san)個(ge)(ge)中(zhong)的(de)(de)大(da)(da)值(zhi)為(wei)該(gai)零(ling)件(jian)(jian)(jian)端(duan)(duan)面(mian)(mian)(mian)圓跳動(dong)(dong)(dong)(dong)誤差。1.偏擺(bai)(bai)儀(yi)(yi)是的(de)(de)檢測(ce)(ce)(ce)(ce)(ce)儀(yi)(yi)器，操作者熟練掌握儀(yi)(yi)器的(de)(de)操作技能，精心(xin)(xin)(xin)地維護保(bao)養，并(bing)指定專(zhuan)人(ren)使(shi)用。2.偏擺(bai)(bai)儀(yi)(yi)始(shi)終(zhong)保(bao)持設備(bei)完(wan)好(hao)，設備(bei)安裝應(ying)平衡 ，導(dao)(dao)軌(gui)面(mian)(mian)(mian)要(yao)(yao)(yao)(yao)光滑，無磕碰(peng)傷(shang)痕，二(er)同軸(zhou)(zhou)(zhou)度允差應(ying)在(zai)(zai)(zai)(zai)L=400MM范圍(wei)內(nei)a向及b向均(jun)小于0.02MM。3.工(gong)(gong)(gong)件(jian)(jian)(jian)檢測(ce)(ce)(ce)(ce)(ce)前應(ying)先用L=400MM檢驗棒和百(bai)分(fen)表(biao)(biao)(biao)(biao)對偏擺(bai)(bai)儀(yi)(yi)進行精度校(xiao)驗，在(zai)(zai)(zai)(zai)確(que)保(bao)合(he)格后(hou)，方(fang)可使(shi)用。工(gong)(gong)(gong)件(jian)(jian)(jian)檢測(ce)(ce)(ce)(ce)(ce)時，應(ying)小心(xin)(xin)(xin)輕放(fang)，導(dao)(dao)軌(gui)面(mian)(mian)(mian)上(shang)(shang)不允許(xu)(xu)放(fang)置任(ren)何(he)工(gong)(gong)(gong)具或(huo)工(gong)(gong)(gong)件(jian)(jian)(jian)。工(gong)(gong)(gong)件(jian)(jian)(jian)檢測(ce)(ce)(ce)(ce)(ce)完(wan)工(gong)(gong)(gong)后(hou)，應(ying)立即(ji)對儀(yi)(yi)器進行維護保(bao)養，導(dao)(dao)軌(gui)及套應(ying)上(shang)(shang)油防銹，并(bing)保(bao)持周圍(wei)環(huan)境(jing)整.專(zhuan)人(ren)于每(mei)月底對偏擺(bai)(bai)儀(yi)(yi)進行精度實測(ce)(ce)(ce)(ce)(ce)檢查(cha)，確(que)保(bao)設備(bei)完(wan)好(hao)，并(bing)做好(hao)實測(ce)(ce)(ce)(ce)(ce)記錄(lu).